Home / 187,641.36-258,920.55-107,063.64

Finding the Fourth Proportional to 187,641.36, 258,920.55 and 107,063.64

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Solution

The fourth proportional to 187,641.36, 258,920.55 and 107,063.64 is: 147,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,641.36 : 258,920.55 = 107,063.64 : x
  2. Step 2: Convert to fraction form
    187,641.36/258,920.55 = 107,063.64/x
  3. Step 3: Cross multiply
    187,641.36x = 258,920.55 × 107,063.64
  4. Step 4: Simplify right side
    187,641.36x = 27,720,976,553.80
  5. Step 5: Solve for x
    x = 27,720,976,553.80/187,641.36
  6. Step 6: Final answer
    x = 147,733.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.